Sign PDF
Add your signature to PDF documents. Draw, type, or upload your signature, then place it anywhere on the document.
Upload your file
Start by picking a document from your computer.
How to use Sign PDF
Upload your PDF
Create your signature
Place and save
Frequently Asked Questions
Is this a legally binding signature?
QuietPDF provides basic e-signing. For legally binding signatures, consider qualified electronic signatures.
Guides for Sign PDF
Go deeper on the most common use cases, delivery workflows, and failure points around this tool.
How to Sign a PDF Without Printing It
A practical workflow for reviewing, signing, and sending PDFs digitally without paper round-trips.
How to Merge Signed Pages into One Final PDF
Combine signed pages, annexes, and clean originals into one final PDF without losing order or version control.
How to Protect a PDF Before Sharing It with a Client
Use passwords, expiry, and smaller distribution copies to share PDFs more safely with clients and external recipients.
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Fill out PDF forms digitally. Detect fillable fields or type directly onto the document. Add signatures, dates, and text.
Edit PDF
Add text, shapes, images, and annotations to your PDF. Highlight content, draw freehand, and create a polished final document.
OCR PDF
Make scanned PDFs searchable with Optical Character Recognition. Extract text from images and scanned documents in multiple languages.
Page Numbers
Add page numbers to your PDF document. Choose position, format, starting number, and font to create professional-looking pagination.